From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Fri Apr 27 2001 - 12:32:08 GMT-3
However, it has been verified that configuring IS-IS or OSPF on a router will a
utomatically place the router in classless mode regardless of the ip classless
nob's setting
*********** REPLY SEPARATOR ***********
On 4/27/2001 at 2:57 PM Atif Awan wrote:
>This command changes the router's lookup algorithm. No doubt OSPF is a
>classless protocol but it only provides the router with the routes, it
>does
>not in any way affect the way a router determines how to forward packets (
>that is using the classful or the classless algorithm ).
>
>>From: "radha rani" <radhaccie@hotmail.com>
>>Reply-To: "radha rani" <radhaccie@hotmail.com>
>>To: ccielab@groupstudy.com
>>Subject: ip classless
>>Date: Fri, 27 Apr 2001 10:00:06 -0400
>>
>>I have a question re: ip classless. My understanding is that if there is
>>no
>>specific route for a subnet in the routing table, this command allows the
>>router to forward packets to unknown destinations using the default route.
>>This being the case when the destination is a subnet of a network which is
>>known to the router.
>>
>>My question is : since OSPF is a classless protocol, why do I need this
>>command to have the router forward packets using the default route. I see
>>this all the time where the router will not utilize the default route
>until
>>this command is added.
>>
>>I can unserstand needing it with IGRP/RIP but why with OSPF?
>>
>>Can someone expalin. Thanks so much.
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